数据库备份Bat文件

转自：http://www.cnblogs.com/xwdreamer/archive/2011/07/15/2296980.html

del D:\DataBak\database7.dmp
del D:\DataBak\database7.log
ren D:\DataBak\database6.dmp database7.dmp
ren D:\DataBak\database5.dmp database6.dmp
ren D:\DataBak\database4.dmp database5.dmp
ren D:\DataBak\database3.dmp database4.dmp
ren D:\DataBak\database2.dmp database3.dmp
ren D:\DataBak\database.dmp database2.dmp
ren D:\DataBak\database6.log database7.log
ren D:\DataBak\database5.log database6.log
ren D:\DataBak\database4.log database5.log
ren D:\DataBak\database3.log database4.log
ren D:\DataBak\database2.log database3.log
ren D:\DataBak\database.log database2.log

exp 'admin/admin@DataBase as sysdba' file=D:\DataBak\database.dmp owner=(dict,up,busi,admin) log=D:\DataBak\database.log

pause;